hyperstimulation
noun
hy·per·stim·u·la·tion
ˌhī-pər-ˌstim-yə-ˈlā-shən 
variants
or hyper-stimulation
: excessive or extreme stimulation : the act or process of excessively stimulating something or someone
The donors were fertile women who underwent controlled ovarian hyperstimulation and … ultrasound-directed aspiration of oocytes for the sole purpose of donation.—
Mark V. Sauer et al.
Mark V. Sauer et al.
hyperstimulate
transitive verb
or hyper-stimulate
hyperstimulated or hyper-stimulated; hyperstimulating or hyper-stimulating
… the estrogen does indeed hyperstimulate the ovaries, sometimes causing the egg follicles to enlarge to almost cyst-like proportions.
—Natalie Angier
Natalie Angier
hyperstimulating
adjective
or hyper-stimulating
Several grown-ups said their children were at first overwhelmed by the party's hyperstimulating environment.
—Cynthia Rupe
Cynthia Rupe
Examples of hyperstimulation in a Sentence
Recent Examples on the Web
At the time of those frightening ER visits, I was misdiagnosed with ovarian hyperstimulation syndrome.
—
Amy Sheehan,
Parents,
3 Mar. 2026
Baylis, at Dalhousie University, and others worry about risks that may not yet be apparent, to the babies themselves, the women having the babies and the women donating the eggs, such as a dangerous hyperstimulation of their ovaries.
—
Rob Stein,
NPR,
16 July 2025
Reducing the hormone doses necessarily means fewer side effects and cases of ovarian hyperstimulation syndrome.
—
Kristen V. Brown,
The Atlantic,
27 Jan. 2025
Women who donate their eggs for the pregnancy face the rare risk of potentially fatal hyperstimulation syndrome, and the long-term consequences of the fertility drugs are unknown.
—
Lili Rutai,
The Dial,
7 Jan. 2025
Fewer than 1 percent of people undergoing ovarian stimulation get severe hyperstimulation syndrome, but the risk is higher for patients under 35 than for older people.
—
Anna North,
Vox,
7 Dec. 2018
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Amy Sheehan,
Parents,
3 Mar. 2026
Baylis, at Dalhousie University, and others worry about risks that may not yet be apparent, to the babies themselves, the women having the babies and the women donating the eggs, such as a dangerous hyperstimulation of their ovaries.
—
Rob Stein,
NPR,
16 July 2025
Reducing the hormone doses necessarily means fewer side effects and cases of ovarian hyperstimulation syndrome.
—
Kristen V. Brown,
The Atlantic,
27 Jan. 2025
Women who donate their eggs for the pregnancy face the rare risk of potentially fatal hyperstimulation syndrome, and the long-term consequences of the fertility drugs are unknown.
—
Lili Rutai,
The Dial,
7 Jan. 2025
Fewer than 1 percent of people undergoing ovarian stimulation get severe hyperstimulation syndrome, but the risk is higher for patients under 35 than for older people.
—
Anna North,
Vox,
7 Dec. 2018
Cite this Entry
“Hyperstimulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperstimulation. Accessed 5 Jul. 2026.
Copy CitationMedical Definition
hyperstimulation
noun
hy·per·stim·u·la·tion
-ˌstim-yə-ˈlā-shən
: excessive or increased stimulation
The donors were fertile women who underwent controlled ovarian hyperstimulation …—Mark V. Sauer et al., The New England Journal of Medicine
Mark V. Sauer et al., The New England Journal of Medicine
hyperstimulate
verb
hyperstimulated; hyperstimulating
… the estrogen does indeed hyperstimulate the ovaries, sometimes causing the egg follicles to enlarge to almost cyst-like proportions.
—Natalie Angier, The New York Times
Natalie Angier, The New York Times
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